84927151 has 2 divisors, whose sum is σ = 84927152. Its totient is φ = 84927150.

The previous prime is 84927091. The next prime is 84927187. The reversal of 84927151 is 15172948.

84927151 = T₇₅₂₃ + T₇₅₂₄ + T₇₅₂₅.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84927151 is a prime.

It is equal to p_4939723 and since 84927151 and 4939723 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84927151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82927151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42463575 + 42463576.

It is an arithmetic number, because the mean of its divisors is an integer number (42463576).

Almost surely, 2^84927151 is an apocalyptic number.

84927151 is the 7525-th centered triangular number.

84927151 is a deficient number, since it is larger than the sum of its proper divisors (1).

84927151 is an equidigital number, since it uses as much as digits as its factorization.

84927151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 84927151 is about 9215.5928186959. The cubic root of 84927151 is about 439.5573216496.

It can be divided in two parts, 84927 and 151, that added together give a triangular number (85078 = T₄₁₂).

The spelling of 84927151 in words is "eighty-four million, nine hundred twenty-seven thousand, one hundred fifty-one".